Jamaica has clinched the gold in final of men's 4×100 relay event of the World Athletic Championships in Beijing yesterday. The Jamaican team consisting of Usain Bolt, Asafa Powell, Nesta Carter and Nickel Ashmeade finished the final with a time of 37.36 seconds. Bolt has already won the individual 100 metres and 200 metres events.<br/><br/>United States were second once again with a time of 37.77 seconds but were disqualified as Mike Rodgers failed to take the baton before crossing the yellow line. China got the the silver while Canada secured bronze medal in the event.